Home / 502,274.04-693,145.61-272,835.78

Finding the Fourth Proportional to 502,274.04, 693,145.61 and 272,835.78

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Solution

The fourth proportional to 502,274.04, 693,145.61 and 272,835.78 is: 376,517.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,274.04 : 693,145.61 = 272,835.78 : x
  2. Step 2: Convert to fraction form
    502,274.04/693,145.61 = 272,835.78/x
  3. Step 3: Cross multiply
    502,274.04x = 693,145.61 × 272,835.78
  4. Step 4: Simplify right side
    502,274.04x = 189,114,923,157.93
  5. Step 5: Solve for x
    x = 189,114,923,157.93/502,274.04
  6. Step 6: Final answer
    x = 376,517.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.